import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 666
 * Date: 2023-04-08
 * Time: 21:38
 */
public class test4 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String str1= scanner.next();
        String str2 = scanner.next();
        String[] arr1= str1.split("");
        String[] arr2= str2.split("");
        for (int i = 0; i < Math.max(arr1.length,arr2.length); i++) {

        }
    }
}
